Home / 4,260.39-6,387.39-2,869.82

Finding the Fourth Proportional to 4,260.39, 6,387.39 and 2,869.82

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Solution

The fourth proportional to 4,260.39, 6,387.39 and 2,869.82 is: 4,302.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,260.39 : 6,387.39 = 2,869.82 : x
  2. Step 2: Convert to fraction form
    4,260.39/6,387.39 = 2,869.82/x
  3. Step 3: Cross multiply
    4,260.39x = 6,387.39 × 2,869.82
  4. Step 4: Simplify right side
    4,260.39x = 18,330,675.54
  5. Step 5: Solve for x
    x = 18,330,675.54/4,260.39
  6. Step 6: Final answer
    x = 4,302.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.